Syiem, a former member of National Commission for Women, is set to be elected unopposed after opposition regional parties decided not to field any candidate for the April 18 elections.
The seat fell vacant after former Rajya Sabha member Thomas A Sangma (NCP) resigned to contest the Assembly election on a NPP ticket though his term was till April 12, 2014.
The scrutiny of the papers will be taken up tomorrow. The last date for withdrawal of candidature is April 11. Polling would be held between 9:00 am and 4:00 pm and counting of votes at 5:00 pm the same day.